<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      autocomplete="on"
      label-position="left"
    >
      <!-- 登录框左侧菜单 -->
      <div class="login-left">
        <img src="../../assets/images/login/login_left.png" alt>
      </div>

      <div class="login-right">
        <div class="title-container">
          <h3 class="title">用户登录</h3>
        </div>

        <el-form-item prop="username">
          <span class="svg-container">
            <svg-icon icon-class="user" />
          </span>
          <el-input
            ref="username"
            v-model="loginForm.username"
            placeholder="Username"
            name="username"
            type="text"
            tabindex="1"
            autocomplete="on"
          />
        </el-form-item>

        <el-tooltip
          v-model="capsTooltip"
          content="Caps lock is On"
          placement="right"
          manual
        >
          <el-form-item prop="password">
            <span class="svg-container">
              <svg-icon icon-class="password" />
            </span>
            <el-input
              :key="passwordType"
              ref="password"
              v-model="loginForm.password"
              :type="passwordType"
              placeholder="Password"
              name="password"
              tabindex="2"
              autocomplete="on"
              @keyup.native="checkCapslock"
              @blur="capsTooltip = false"
              @keyup.enter.native="handleLogin"
            />
            <span class="show-pwd" @click="showPwd">
              <svg-icon
                :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
              />
            </span>
          </el-form-item>
        </el-tooltip>

        <el-button
          class="login_button"
          :loading="loading"
          type="primary"
          style="width: 100%; margin-bottom: 30px"
          @click.native.prevent="handleLogin"
        >登录</el-button>

        <div class="loginOther">
          <el-button size="mini" class="itemLogin" style="color:#fff" @click="userChange">可视化平台</el-button>
        </div>
      </div>
    </el-form>
  </div>
</template>

<script>
// import { validUsername } from '@/utils/validate'
// import SocialSign from './components/SocialSignin'

export default {
  name: 'Login',
  // components: { SocialSign },
  data() {
    // const validateUsername = (rule, value, callback) => {
    //   if (!validUsername(value)) {
    //     callback(new Error('请输入您的用户名!'))
    //   } else {
    //     callback()
    //   }
    // }
    // const validatePassword = (rule, value, callback) => {
    //   if (value.length < 6) {
    //     callback(new Error('密码的长度至少为6位!'))
    //   } else {
    //     callback()
    //   }
    // }
    return {
      loginForm: {
        username: 'weicong',
        password: '111111aa'
      },
      loginRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 1,
            max: 15,
            message: '用户名在 1 到 15 个字符',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 16,
            message: '密码长度在 6 到 16 个字符',
            trigger: 'blur'
          }
        ]
      },
      passwordType: 'password',
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      otherQuery: {}
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        const query = route.query
        if (query) {
          this.redirect = query.redirect
          this.otherQuery = this.getOtherQuery(query)
        }
      },
      immediate: true
    }
  },
  created() {
    // window.addEventListener('storage', this.afterQRScan)
  },
  mounted() {
    if (this.loginForm.username === '') {
      this.$refs.username.focus()
    } else if (this.loginForm.password === '') {
      this.$refs.password.focus()
    }
  },
  destroyed() {
    // window.removeEventListener('storage', this.afterQRScan)
  },
  methods: {
    userChange() {
      this.loginForm.username = 'mudingdiao'
      this.handleLogin()
    },
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && key >= 'A' && key <= 'Z'
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = '密码'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true
          this.$store
            .dispatch('user/login', this.loginForm)
            .then(() => {
              this.$router.push({
                path: this.redirect || '/',
                query: this.otherQuery
              })
              this.loading = false
            })
            .catch(() => {
              this.loading = false
            })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    }
    // afterQRScan() {
    //   if (e.key === 'x-admin-oauth-code') {
    //     const code = getQueryObject(e.newValue)
    //     const codeMap = {
    //       wechat: 'code',
    //       tencent: 'code'
    //     }
    //     const type = codeMap[this.auth_type]
    //     const codeName = code[type]
    //     if (codeName) {
    //       this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
    //         this.$router.push({ path: this.redirect || '/' })
    //       })
    //     } else {
    //       alert('第三方登录失败')
    //     }
    //   }
    // }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #4887ec;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 60px;
    width: 70%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 10px;
      padding: 20px 10px 20px 10px;
      color: $light_gray;
      height: 60px;
      font-size: 20px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px #e3e3e3 inset !important;
        -webkit-text-fill-color: #4887ec !important;
      }
    }
  }

  .login_button {
    height: 60px;
    border-radius: 10px;
    font-size: 25px;
    box-shadow:0.1em 0.1em 0.3em rgb(97, 96, 96);
    background-color: rgb(32, 120, 178);
    font-family: "宋体";
  }
  .login_button:hover {
    height: 60px;
    border-radius: 10px;
    font-size: 25px;
    box-shadow: 0.1em 0.1em 0.3em rgb(97, 96, 96);
    background-color: rgb(39, 82, 146);
    font-family: "宋体";
  }
  .itemLogin{
    color: #fff;
    font-size: 1px;
   background-color: rgb(32, 120, 178);
   border-radius: 5px;

  }

  .itemLogin:hover{
    color: #fff;
    font-size: 1px;
     background-color: rgb(39, 82, 146);
     border-radius: 5px;
  }

  .loginOther{
    position: absolute;
    right: 0;
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    color: #454545;

    box-shadow: 0.1em 0.1em 0.3em rgb(97, 96, 96);
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  height: 100%;
  width: 100%;
  background: url(../../assets/images/login/background_img.png);
  background-size: cover !important;
  background-repeat: no-repeat;
  overflow: hidden;
  position: relative;
  .login-left {
    position: absolute;
    left: 0;
    top: 0;
    width: 60%;
    height: 100%;
    img {
      width: 100%;
      height: 100%;
    }
  }
  .login-right {
    margin: 5% auto;
    position: absolute;
    right: 100px;
    top: 50px;
    width: 25%;
    height: 100%;
  }
  .login-form {
    position: relative;
    width: 66%;
    height: 68%;
    border: 1px solid rgba(185, 184, 184, 0.5);
    border-radius: 20px;
    background-color: #fff;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 6% auto;
    overflow: hidden;
    opacity: .9;
    box-shadow: 0.1em 0.1em 0.3em rgb(97, 96, 96);
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 36px;
      font-family: "宋体";
      color: #4887ec;
      margin: 0px auto 40px auto;
      text-align: center;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: -50px;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>
